{"title":"Fridays For Future und Schule? – Teil 4: Unterrichtsvorschläge zum Thema nachhaltige und gesunde Ernährung","authors":"Lars Otte, Sascha Hager, Marco Beeken","doi":"10.1002/ciuz.202300025","DOIUrl":"https://doi.org/10.1002/ciuz.202300025","url":null,"abstract":"<div>\u0000 \u0000 <p>The terms sustainability and healthy nutrition have become increasingly important in social discourse in recent years. These buzzwords are often associated with alternative diets such as vegetarian and vegan diets, which are particularly popular among adolescents and young adults. Meat substitutes represent a group of products that resemble or are supposed to resemble the sensory characteristics of meat but avoid the killing of animals or the use of animal products at all. The high relevance of this topic to everyday life and the future concerns young people in particular, and thus also students. For this purpose, experiments on the topic of sustainable and healthy nutrition were developed for secondary level II, in which the properties and ingredients of a conventional pork mortadella and a vegetarian and vegan substitute product are examined. In this paper, the experiments for determining the calorific value, salt content and detection reactions for various food additives are presented. By dealing with the ingredients of the products, curricular competences of the upper secondary school are promoted on the one hand, and on the other hand, a deeper understanding for a sustainable and healthy diet is created.</p>\u0000 </div>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 2","pages":"94-107"},"PeriodicalIF":0.9,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770607","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Überfall auf Nervenzellen","authors":"Larissa Tetsch","doi":"10.1002/ciuz.202400042","DOIUrl":"https://doi.org/10.1002/ciuz.202400042","url":null,"abstract":"<p>Schwarze Witwen sind die einzigen in Europa vorkommenden Spinnen, deren Gift auch für Menschen gefährlich ist. Grund dafür ist das Neurotoxin α-Latrotoxin, das bei Menschen schwere Muskelkrämpfe auslösen kann, indem es für die unkontrollierte Ausschüttung von Neurotransmittern sorgt. Dafür bildet ein Komplex des Toxins einen Kanal in der Mem-bran von Nervenzellen.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 2","pages":"60-61"},"PeriodicalIF":0.9,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Verdrillte Wunder – Von Schlangensäule und Schneckenkönig","authors":"Dieter Sicker","doi":"10.1002/ciuz.202400007","DOIUrl":"https://doi.org/10.1002/ciuz.202400007","url":null,"abstract":"<p>Unsere Reise führt uns diesmal in die faszinierende Welt der Chiralität und ihrer vielfältigen Erscheinungsformen in Natur und Kultur. Im Mittelpunkt stehen die seltenen linksgewundenen Schnecken und wie ein Biologe versucht hat, dem Geheimnis ihrer Entstehung auf die Spur zu kommen.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 2","pages":"108-113"},"PeriodicalIF":0.9,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Markus Emden, Ruth Fähnle, Sven Greisl, Michelle Jahn
{"title":"Ist doch nicht die Möglichkeit! Wackelpeter Ananas!","authors":"Markus Emden, Ruth Fähnle, Sven Greisl, Michelle Jahn","doi":"10.1002/ciuz.202400040","DOIUrl":"https://doi.org/10.1002/ciuz.202400040","url":null,"abstract":"<p>Anliegen der in loser Folge erscheinenden Versuche ist es, Impulse für chemische Versuche zu geben, die gefahrlos zu Hause mit haushaltsüblichen Gegenständen durchgeführt werden können. Sie können damit als Quelle für das gemeinsame Ausprobieren mit Kindern dienen, z. B. in Kindergärten oder an Schulen sowie zur Verwendung bei Tagen der offenen Tür. Ein Stückweit sind sie zu verstehen als Antwort auf den oft gehörten Satz: „Ach, Du bist Chemiker/in!? Dann mach doch mal eben ein Experiment.“</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 2","pages":"114-116"},"PeriodicalIF":0.9,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Schmiedehandwerk in der Bronzezeit","authors":"Sylvia Feil","doi":"10.1002/ciuz.202400047","DOIUrl":"https://doi.org/10.1002/ciuz.202400047","url":null,"abstract":"<p>Die Himmelsscheibe von Nebra ist außergewöhnlich sowohl in ihrer Darstellung von astronomischem Wissen als auch der Handwerkskunst. Zur Frage der Herstellungstechnik gibt es nun neue Erkenntnisse – bekannt war bisher, das die Scheibe nicht einfach gegossen worden sein konnte.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 2","pages":"62-63"},"PeriodicalIF":0.9,"publicationDate":"2025-03-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143770261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Historie: Pittakal und Corallin – die ersten Teerfarbstoffe auf Phenol-Basis","authors":"Horst Hartmann","doi":"10.1002/ciuz.202400004","DOIUrl":"https://doi.org/10.1002/ciuz.202400004","url":null,"abstract":"<div>\u0000 \u0000 <p>The document discusses the history and development of early synthetic dyes derived from coal tar, focusing on Pittakal and Corallin, and the important chemical discoveries related to these dyes.</p>\u0000 </div>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 3","pages":"142-148"},"PeriodicalIF":0.9,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144220168","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Pökeln: eine Gratwanderung?","authors":"Arne J. C. Bunkan, Deike Hatscher","doi":"10.1002/ciuz.202500001","DOIUrl":"https://doi.org/10.1002/ciuz.202500001","url":null,"abstract":"<p>Wissen Sie, welche dreiatomige Anionen mit Fleischbestandteilen zu typischen Pökelaromen reagieren und darüber hinaus durch die Bildung von Nitrosomyoglobin die appetitlich rosa Farbe des Neujahrsbratens konservieren?</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"54"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389318","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Markus Emden, Marie-Katharina Erhardt, Romy Gruber, Melanie Hägele, Julia Kaloschin, Monika Lederer, Leon Stölzel
{"title":"Und dann für eine halbe Stunde gehen lassen","authors":"Markus Emden, Marie-Katharina Erhardt, Romy Gruber, Melanie Hägele, Julia Kaloschin, Monika Lederer, Leon Stölzel","doi":"10.1002/ciuz.202400035","DOIUrl":"https://doi.org/10.1002/ciuz.202400035","url":null,"abstract":"<p>Anliegen der in loser Folge erscheinenden Versuche ist es, Impulse für chemische Versuche zu geben, die gefahrlos zu Hause mit haushaltsüblichen Gegenständen durchgeführt werden können. Sie können damit als Quelle für das gemeinsame Ausprobieren mit Kindern dienen, z. B. in Kindergärten oder an Schulen sowie zur Verwendung bei Tagen der offenen Tür. Ein Stückweit sind sie zu verstehen als Antwort auf den oft gehörten Satz: „Ach, Du bist Chemiker/in!? Dann mach doch mal eben ein Experiment.“</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"50-52"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389086","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Alles nur Fassade? Metalle als Oberflächen schützen und beeindrucken","authors":"Dieter Sicker","doi":"10.1002/ciuz.202300044","DOIUrl":"https://doi.org/10.1002/ciuz.202300044","url":null,"abstract":"<p>Tauchen Sie ein in die faszinierende Welt der Metalle und entdecken Sie, wie sie unsere Umgebung prägen und schützen. Von den historischen Bleikammern Venedigs bis hin zu den modernen Titanfassaden des Guggenheim-Museums in Bilbao – dieser Beitrag nimmt Sie mit auf eine Reise durch Raum und Zeit und zeigt, wie Metalle nicht nur funktional, sondern auch ästhetisch beeindrucken können.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"44-49"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389085","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Wie Goldalgen ihre Toxine produzieren","authors":"Annette Hille-Rehfeld","doi":"10.1002/ciuz.202410012","DOIUrl":"https://doi.org/10.1002/ciuz.202410012","url":null,"abstract":"<p>Vermittelt durch hochmolekulare Toxine, die Prymnesine, führte die massive Vermehrung der Goldalge Prymnesium parvum im Sommer 2022 zu einem katastrophalen Fischsterben in der Oder. Die Biosynthese der Prymnesine bewerkstelligen multifunktionelle Enzyme mit zahlreichen katalytischen Zentren, die Polyketid-Synthasen. Eine der Prymnesin-Synthasen ist größer als das Muskelprotein Titin.</p>","PeriodicalId":9911,"journal":{"name":"Chemie in Unserer Zeit","volume":"59 1","pages":"7-9"},"PeriodicalIF":0.9,"publicationDate":"2025-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143389091","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}